Scarred blood vessels may be one clue to APOE4’s Alzheimer’s risk
Scientists know APOE4 raises Alzheimer’s risk. A surprising change in blood vessel cells may help explain how.
Category: Science
When climate change brings the heat, what happens to a mighty redwood?
In heat wave-like temperatures, coast redwoods’ photosynthesis slows down, which may put one of Earth’s most efficient carbon storers in jeopardy.
7 extraordinary Indigenous sites in the US, from Chaco Canyon to Chimney Rock
The prehistory of Indigenous Americans goes back tens of thousands of years before the 1492 arrival of Christopher Columbus in the Bahamas , and recent
Inuit figurine: A 700-year-old Indigenous carving of a European made a century before Columbus
An Inuit carving of a European, dated to around AD 1350 — the earliest depiction of a European in the Western Hemisphere. (Image credit: Canadian
‘It could have been a very different history’: Researchers are finally starting to pin down how many Indigenous people were living in the Americas when Columbus arrived
When Christopher Columbus made landfall in the Americas on Oct. 12, 1492, he encountered Indigenous Lucayans living on the Bahamian island now called San Salvador.
NASA’s Chandra Spots Galactic Gem
Galaxies are like cosmic gems, each with characteristics including size and shape that make them distinct. A gallery from NASA’s Chandra X-ray Observatory and other
‘News reports tweaked the science to speak to contemporary anxieties’: How Neanderthal extinction is a projection of our own, modern fears
Since the discovery of their remains in the 19th century, Neanderthals have fascinated scientists and the general public alike. Although our understanding of these ancient
‘Swamp-like colors’ on the moon: NASA report reveals strange sights from Artemis II mission
Quick facts What it is: A view of the moon from the Artemis II crew Where it is: Aristarchus Plateau, on the moon’s near side
How did Roman aqueducts get water to go uphill?
Aqueducts are some of the ancient Romans’ most prominent surviving archaeological remains. These aqueducts relied on gravity to bring down the water to cities gradually.
Dust and Water in Sagittarius A*
Using the James Webb Space Telescope, an international team of astronomers have discovered that dust and water can form and survive surprisingly close to the
Photojournalist Steve Winter on his iconic Hollywood puma image, the illegal tiger trade and having a black panther knock on his door
For decades, photojournalist Steve Winter has traveled across the world capturing incredible images of big cats as part of his work for National Geographic. Yet
Does written language speed up or slow down cultural change?
The written word is one of humanity’s most important information technologies. Without it, mathematical and scientific discoveries would be lost to history. But it can
Scientists have identified a ‘protein signature’ in blood that could predict healthy aging
Two people born on the exact same day can age in totally different ways — one in relative health and the other with chronic disease.
Cosmic House of Mirrors
This NASA/ESA/CSA James Webb Space Telescope Picture of the Month features galaxies in incredible detail that have been warped and multiplied like they’ve stepped into